You might as well compare with these Back Items so you can decide which Back Items you're gonna use for ninja Saga Pvp or in Hunting House for easier killing the boss or your opponent in ninja saga PvP
These Back Items might have better effect . Here we go :

• Toxic Spider Web

  10% chance to apply Restriction on enemies who attacks the user for 1 turn.
  5% chance to freeze enemy who attack user (1 turn). Frozen target cannot move but damage taken is reduced by 80%
• Santa Gift Bag

  Reduce damage taken by 30.
• Swire Raijinco
• Roasted Turkey

  Restore 20 HP every turn.
• Wine Gourd
• Purple Dragon umbrella
• Dark Evil Sickle

  Exclusive Halloween item - the devils sickle that has 10% chance to absorb 1% HP of enemy who attack you.
• Civet Cat Tail
• S14 Yabusa Knife

  Increases 4% attack damage and ignore 4% of targets dodge.
• Sakura Lucky Bag

  Increase 3% damage, 4% chance to freeze attackers for 1 turn . Frozen target cannot move but damage taken is reduced by 80%
• Blue Cloud Umbrella

  Ignore 6% targets dodge.
• S20 Empire Battle Gear

  6% chance to convert damage taken to HP positively.
• Scroll: Genbu
• Childhood Memories

  Mothers Day 2011 Limited Edition
• Heian-kyo Shamisen
• New Year Kadomatsu

  Recover 100 HP and 100 CP at the start of every turn.
• S70 Magical Cobweb

  Restores CP by 3%. 30% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Ultimate Taiko

  Recover 120 HP at the start of every turn. Has 15% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• Horror Scarecrow

  Increase attack damage by 5%. Reduce damage taken by 150.
• Puppet: Spider
• Shoe of Bounty

  Increase dodge rate and critical rate by 4%.
• 2011 Fortune Lantern

  Ninja Saga 2nd Anniversary Carnival!
• S12 Golden Bujin Ax

  Increase attack damage by 20% but increase damage taken by 12%.
• Writing Brush
• Sakura Straw Hat

  Recovers 2% of users max HP every turn.
• Ancient Pipe

  5% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• Scroll: Guren